摘要:
The invention relates to benzylidenecamphor derivatives of formula: ##STR1## where R is hydrogen or a tert-butyl residue, R.sub.1 is a C.sub.1 -C.sub.8 alkyl or alkoxy residue, and R.sub.2 and R.sub.3 denote hydrogen or hydroxyl, at least one of the two being hydroxyl, to a process for preparing them and to their uses as antioxidants, broad-band sunscreens and medicinal products for the preventive treatment of skin allergies and inflammations as well as for the prevention of certain cancers.
摘要:
The present invention relates to 1-substituted derivatives of 4-methoxy-2,3,6-trimethylbenzene which are useful in cosmetic or pharmaceutical preparations for use in the treamtnet of dermatological complaints connected with a keratinisation disorder, dermatological complaints having an inflammatory and/or immuno-alleric component or ophthalmological complaints.
摘要:
The invention provides a compound of formula (II): ##STR1## and the corresponding isomers and salts; in this formula, a equals 0 or 1; R.sub.1 and R.sub.2 represent, independently, H or a C.sub.1 -C.sub.4 alkyl group; R.sub.3 denotes --C.tbd.N; oxazolinyl; --CH.sub.2 OR.sub.4 (R.sub.4 =H, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.6 mono- or poly-hydroxyalkyl, cyclopentyl or cyclohexyl, or --OR.sub.4 =tetrahydropyranyl); --COR.sub.5 (R.sub.5 =H, C.sub.1 -C.sub.4 alkyl, --NR'R" where R' and R" have various meanings); --OR.sub.6 (R.sub.6 =H, C.sub.1 -C.sub.18 alkyl, C.sub.2 -C.sub.3 monohydroxyalkyl or C.sub.3 -C.sub.6 polyhydroxyalkyl with 2-5 OH groups), which has useful medicinal and cosmetic applications.
摘要:
A benzofuran derivative which is a compound of formula (I): ##STR1## wherein a to d each are 0 or 1, with a+b+c+d.gtoreq.2; R.sub.1 to R.sub.6 are each H or C.sub.1 -C.sub.6 alkyl; R.sub.7 is --CH.sub.2 OR.sub.8 (R.sub.8 =H, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 mono- or polyhydroxyalkyl), --COR.sub.9 (R.sub.9 =H, C.sub.1 -C.sub.6 alkyl, ##STR2## which is an amino acid or amino sugar residue or where R' and R" are H, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 mono- or polyhydroxyalkyl, C.sub.3 -C.sub.6 alkenyl or form a heterocycle) or OR.sub.10 (where R.sub.10 is H, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.6 mono- or polyhydroxyalkyl or --OR.sub.10 is derived from a sugar) has retinoid type action and can be used in cosmetics (body and hair hygiene) and in medicine (treatment of dermatological conditions; atopy; degenerative diseases of connective tissue; or corneopathies).
摘要:
Unsaturated norbornane, 2,2-dimethyl norbornane, adamantane or cyclododecane derivatives exhibit activity in the systemic and topical treatment of dermatologic disorders.
摘要:
The invention relates to the benzylcyclanone derivatives of formula: ##STR1## where R.sub.1 and R.sub.3 denote H, OH, linear or branched C.sub.1 -C.sub.8 alkyl or linear or branched C.sub.1 -C.sub.8 alkoxy, R.sub.2 and R.sub.4 represent H or OH, at least one of the two being OH, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 represent H, C.sub.1 -C.sub.18 alkyl, aralkyl or aryl, it being possible for R.sub.5 and R.sub.6 and/or R.sub.7 and R.sub.8 to form an optionally substituted, saturated C.sub.5 -C.sub.12 ring, X represents O or --(CR.sub.9 R.sub.10).sub.n with n=1 or 2 and R.sub.9 and R.sub.10 represent H or CH.sub.3 ; if X represents --(CR.sub.9 R.sub.10).sub.n, R.sub.6 and R.sub.8, with the atoms of the ring to which they are attached, form a bicyclic system having 7 or 8 carbon atoms; if X represents --(CR.sub.9 R.sub.10).sub.n with n=1, R.sub.9 and R.sub.10 =CH.sub.3, R.sub.5 =H and R.sub.6 and R.sub.8, with the atoms of the ring to which are attached, form a bicyclic system having 7 carbon atoms, R.sub.7 can represent a --CH.sub.2 SO.sub.3 H residue, optionally in salt form.Process for preparing these compounds and their use as antioxidants and medicinal products for the treatment of skin allergies and inflammations.
摘要:
The invention relates to cosmetic and pharmaceutical compositions containing the derivatives of benzylidenecamphor of formula: ##STR1## where R.sub.1 denotes H, OH, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.8 alkoxy, R.sub.3 denotes OH, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.8 alkoxy, or else when R.sub.1 denotes H or OH, R.sub.3 can represent C.sub.1 -C.sub.8 alkyl, R.sub.2 and R.sub.4 denote H or OH, at least one of the radicals R.sub.2 and R.sub.4 representing OH.The compounds (I) are wide-band sunscreens and antioxidants, and are utilized in the treatment of cutaneous inflammations and allergies.
摘要:
The invention relates to a compound of the formula (II) ##STR1## and the corresponding isomers and salts, in which formula: a and b are integers which independently of one another can assume the values 0 or 1,R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent, independently, a hydrogen atom, a linear or branched C.sub.1 -C.sub.6 -alkyl radical or a C.sub.1 -C.sub.4 -alkoxy radical,R.sub.6 represents a C.sub.1 -C.sub.6 -alkyl radical,R.sub.5 and R.sub.12 represent a hydrogen atom or a C.sub.1 -C.sub.4 -alkyl radical, with the proviso that R.sub.5 cannot represent hydrogen if a=b=0 andR.sub.11 has various meanings.These compounds have useful dermatological properties.
摘要:
A benzofuran derivative which is a compound of formula (I): ##STR1## wherein a to d each are 0 to 1, with a+b+c+d.gtoreq.2; R.sub.1 to R.sub.6 are each H or C.sub.1 -C.sub.6 alkyl; R.sub.7 is --CH.sub.2 OR.sub.8 (R.sub.8 =H, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 mono- or polyhydroxyalkyl), --COR.sub.9 (R.sub.9 =H, C.sub.1 -C.sub.6 alkyl, ##STR2## which is an amino acid or amino sugar residue or where R' and R" are H, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 mono- or polyhydroxyalkyl, C.sub.3 -C.sub.6 alkenyl or form a heterocycle) or OR.sub.10 (where R.sub.10 is H, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.6 mono- or polyhydroxyalkyl or --OR.sub.10 is derived from a sugar) has retinoid type action and can be used in cosmetics (body and hair hygiene) and in medicine (treatment of dermatological conditions; atopy; degenerative diseases of connective tissue; or corneopathies).